CVE-2017-8445

Name: CVE-2017-8445
Creator: NVD / NIST
Published: 2017-08-18T20:29:00.257+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.16%

Last modified Jun 17, 2026

CVE-2017-8445 is a vulnerability of currently unknown severity. An error was found in the X-Pack Security TLS trust manager for versions 5.0.0 to 5.5.1. If reloading the trust material fails the trust manager will be replaced with an instance that trusts all certificates. EPSS estimates a 0.16% chance of exploitation in the next 30 days.

Description

An error was found in the X-Pack Security TLS trust manager for versions 5.0.0 to 5.5.1. If reloading the trust material fails the trust manager will be replaced with an instance that trusts all certificates. This could allow any node using any certificate to join a cluster. The proper behavior in this instance is for the TLS trust manager to deny all certificates.

Metrics

EPSS Probability

0.16%

5.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Elastic	X-Pack	>= 5.0.0, <= 5.5.1

References

https://www.elastic.co/community/securityVendor Advisory
https://www.elastic.co/community/securityVendor Advisory

Timeline

Published: Aug 18, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-8445?

How severe is CVE-2017-8445?

Severity scoring for CVE-2017-8445 is pending analysis. The EPSS model estimates a 0.16% probability of exploitation in the next 30 days.

How do I fix CVE-2017-8445?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-8445?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST